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Biomolecular Analysis Lab
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The lab uses mass spectrometry to explore the degradation of proteins and peptides.
AboutAbout the lab
Exploring how the body maintains homeostasis through the mechanisms of degradation
The Biomolecular Analysis Lab studies how proteins and peptides are degraded in the body and how that degradation is regulated.
From the perspectives of biochemistry, molecular biology, cell biology, and neuroscience, the lab aims to clarify part of the mechanisms that maintain homeostasis in the body.
Equipped with analytical instruments such as mass spectrometers and protein sequencers, and working with the cooperation of the Institute for Protein Research's technical division, the lab provides an environment for studying the structure and function of proteins.
The lab handles contract analysis of the N-terminal amino acid sequences of proteins and peptides using a protein sequencer, at the request of users inside and outside the institute.
Key terms
- Mass spectrometry
- An analytical method that measures the mass of molecules to study proteins and peptides.
- Dipeptide
- A small molecule made of two linked amino acids. Many exist in the body, and some have specific functions.
- Proteomics
- A research field that comprehensively studies the proteins in cells and tissues.
- Protein sequencer
- An instrument that determines the order of amino acids at the N-terminus, the end of a protein or peptide.
ResearchResearch themes
The lab studies how proteins and peptides are degraded and how this degradation is regulated, aiming to clarify part of the mechanisms that maintain homeostasis in the body. It also works on developing new protein analysis technologies.
*Illustrative imageSynthesis and Degradation of Short Peptides
The lab investigates how short peptides, such as dipeptides, in mammalian cells are produced and degraded. For CN2, an enzyme that degrades carnosine, it has clarified the structure and mode of action using X-ray crystallography and mass spectrometry.
*Illustrative imageProtein Analysis by Proteomics
Using mass spectrometry-based methods for protein identification and analysis of modifications, the lab has carried out work such as identifying the substrates of kinases (phosphorylating enzymes). In collaborations with researchers in pathology and cell biology, and with the Takao Lab at the Institute for Protein Research, it has also analyzed urinary stones and post-translational modifications.
MembersFaculty
The members of the Biomolecular Analysis Lab consist of faculty members, project researchers, technical specialists in the technical division, and administrative assistants.As of 2026
- Associate ProfessorNobuaki Okumura
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Protein pattern analyzer” 作者不詳 / Public domain (cropped)
- Synthesis and Degradation of Short Peptides: “Dipeptide structural formulae v.1” Jü / Public domain (cropped)
- Protein Analysis by Proteomics: “General mass spectrometry workflow for spatial proteomics” Yuen-ennu / CC0 (cropped)
- Related lab (Biomolecular Dynamics Modeling Lab): “TriosePhosphateIsomerase Ribbon pastel” Dcrjsr / CC BY 3.0 (cropped)
- Related lab (Molecular Creation Lab): “Crystal structure of Sec23aSec24aSec22 complexed with a C-terminal II sorting motif - Protein transport protein Sec24A 5VNG” Ma W, Goldberg E, Goldberg J / CC0 (cropped)
- Related lab (Cell Function Design Lab): “Synthetic Biology Research at NASA Ames” Alexander van Dijk from San Francisco, United States / CC BY 2.0 (cropped)
- Related lab (Electron Structural Biology Lab): “FEI Titan 50-300 PICO” ER-C, Forschungszentrum Jülich / CC BY-SA 4.0 (cropped)
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